All names: EGGR 266, LAMOST J083612.03+191756.0, LAMOST J083612.03+191756.1, TIC 195189122, SDSS J083612.02+191755.9, UCAC2 38611605, GALEX J083612.0+191756, Gaia DR2 662771594747150976, EPIC 211938328, 2MASS J08361203+1917562, UCAC4 547-045472, SDSS J083612.03+191755.9, LAMOST J083612.02+191755.8, Gaia EDR3 662771594747150976, LB 378, Gaia DR3 662771594747150976, SDSS J083612.03+191755.90, SDSSJ083612.02+191755.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 36 12.03 (0.05) | 08 36 12.03 | 08 36 12.02 | 08 36 12.03 (0.07) | 08 36 12.03 (0.05) | ||||
| Declination | 19 17 55.85 (0.03) | 19 17 55.96 | 19 17 55.80 | 19 17 55.86 (0.05) | 19 17 56.10 (0.03) | ||||
| Spectral type | sdOB | sdO | sdO | ||||||
| Effective temperature | [K] | 35097.0 (824) | 35319.0 (248) | ||||||
| log(g) | [cgs] | 5.72 (0.1) | 5.66 (0.03) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.53 (0.07) | 0.38 (0.1) | 0.38 (0.1) | 0.53 (0.07) | ||||
| Distance | [pc] | 1874.67 (229) | 2628.81 (668) | 2628.58 (668) | 1874.77 (229) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -2.63435182 (0.06) | -2.516 (0.1) | -2.515545203 (0.1) | -2.634 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -15.32588355 (0.04) | -15.43 (0.09) | -15.43017645 (0.09) | -15.326 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.68 (0.03) | ||||||||
| V magnitude | 15.78 (0.01) | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.59 (0.06) | 15.59 (0.06) | |||||||
| H magnitude | 15.21 (0.08) | 15.21 (0.08) | |||||||
| K magnitude | 15.31 (0.1) | 15.31 (0.1) | |||||||
| u magnitude | 15.35 (0.005) | 15.35 (0.005) | 15.36 (0.01) | 15.34 (0.005) | |||||
| g magnitude | 15.57 (0.004) | 15.56 (0.004) | 15.60 (0.02) | 15.56 (0.004) | |||||
| r magnitude | 15.88 (0.005) | 15.88 (0.005) | 15.88 (0.01) | 15.87 (0.005) | |||||
| i magnitude | 16.07 (0.005) | 16.07 (0.005) | 16.05 (0.02) | 16.06 (0.005) | |||||
| z magnitude | 16.19 (0.008) | 16.19 (0.008) | 16.16 (0.02) | 16.19 (0.008) | |||||
| G magnitude | 15.69 (0.002) | 15.71 (0.001) | 15.71 | 15.69 (0.003) | |||||
| BP magnitude | 15.64 (0.002) | 15.58 (0.008) | 15.58 | ||||||
| RP magnitude | 15.73 (0.004) | 15.73 (0.004) | 15.73 | ||||||
| Pan g magnitude | 15.64 (0.007) | 15.64 (0.007) | |||||||
| Pan r magnitude | 15.90 (0.003) | 15.89 (0.003) | |||||||
| Pan i magnitude | 16.06 (0.002) | 16.06 (0.002) | |||||||
| Pan z magnitude | 16.22 (0.002) | 16.21 (0.002) | |||||||
| Pan y magnitude | 16.28 (0.02) | 16.28 (0.01) | |||||||
| E(B-V) | 0.030 | ||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.